[release] Boost 1.70.0 Beta 1 is now available

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Boost release 1.70.0 beta 1 is now available at:

<https://dl.bintray.com/boostorg/beta/1.70.0.beta1/source/>

The SHA256 checksums are as follows:

dbf89645e509acb2e53eac3c633834f1dec80bd8622e6e652a9741dcf0807f17
./boost_1_70_0_b1.7z
957b984b58656a3ec00661ecad7ef82e3a094bad36e37b9e6624843237854679
./boost_1_70_0_b1.tar.bz2
76d149c1fb9e8a5ceb3bc1e5587edc40fa79a43e8b990d877c2210f0382b9421
./boost_1_70_0_b1.tar.gz
71e990b2c26880521fd98459b184ee172ce1c46dcf554b6eaab7776b8b6369a6
./boost_1_70_0_b1.zip

For details of what's in the release, see <
https://www.boost.org/users/history/version_1_70_0.html>.

Please download the beta, give it a try, and report any problems you
encounter.

Thanks,

-- The Boost Release Team

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<div dir=3D"ltr"><div>[ resending with a non-empty subject line ]</div>Boos=
t release 1.70.0 beta 1 is now available at:<br><br>&lt;<a href=3D"https://=
dl.bintray.com/boostorg/beta/1.70.0.beta1/source/" rel=3D"noreferrer" targe=
t=3D"_blank">https://dl.bintray.com/boostorg/beta/1.70.0.beta1/source/</a>&=
gt;<br><br>The SHA256 checksums are as follows:<br><br>dbf89645e509acb2e53e=
ac3c633834f1dec80bd8622e6e652a9741dcf0807f17<br>./boost_1_70_0_b1.7z<br>957=
b984b58656a3ec00661ecad7ef82e3a094bad36e37b9e6624843237854679<br>./boost_1_=
70_0_b1.tar.bz2<br>76d149c1fb9e8a5ceb3bc1e5587edc40fa79a43e8b990d877c2210f0=
382b9421<br>./boost_1_70_0_b1.tar.gz<br>71e990b2c26880521fd98459b184ee172ce=
1c46dcf554b6eaab7776b8b6369a6<br>./boost_1_70_0_b1.zip<br><br>For details o=
f what&#39;s in the release, see &lt;<br><a href=3D"https://www.boost.org/u=
sers/history/version_1_70_0.html" rel=3D"noreferrer" target=3D"_blank">http=
s://www.boost.org/users/history/version_1_70_0.html</a>&gt;.<br><br>Please =
download the beta, give it a try, and report any problems you<br>encounter.=
<br><br>Thanks,<br><br>-- The Boost Release Team<br></div>

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